TAMMY BUI OD
NPI 1164831004
Optometrist in Bronx, NY
About Tammy Bui Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY BUI OD (NPI 1164831004) is an individual optometrist in Bronx, New York, licensed in New York (TUV008125) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS and is a graduate of New England College Of Optometry (2015).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Tammy Bui Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Tammy Bui reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10453
- Reassigned Medicare billing, New York enrollment
- 1,393 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Bronx Medical Practice PC
- 1,013 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 1,054 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRONX, NY 10453
BRONX, NY 10453
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tammy Bui's NPI number?
The NPI number for Tammy Bui is 1164831004. It was assigned to this individual provider in the NPPES registry on August 5, 2014.
Where is Tammy Bui located?
Tammy Bui practices at 2015 Grand Concourse, Bronx, NY 10453. The listed phone number is (718) 299-7295.
What is Tammy Bui's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Tammy Bui enrolled in Medicare?
Yes. Tammy Bui is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Tammy Bui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Bui reassigns Medicare benefits to 3 organizations: Essen Medical Associates, PC (Bronx, NY), Bronx Medical Practice P.C. (Bronx, NY) and House Call Medical Services Of New York, PLLC (Bronx, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tammy Bui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Bui accept?
Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Oscar Health list Tammy Bui as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Tammy Bui was last updated on August 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Tammy Bui, OD · NPI 1164831004
Optometrist provider in Bronx, New York. Individual provider, active in the CMS NPPES registry since August 5, 2014.
## Identity
- **NPI:** 1164831004 (Entity type: Individual)
- **Enumerated:** August 5, 2014
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** TUV008125 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 2015 GRAND CONCOURSE, Bronx, NY 10453-4303
- **Phone:** (718) 299-7295 · **Fax:** (718) 299-6797
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Essen Medical Associates, PC (NPI 1366418709, Bronx, NY); Bronx Medical Practice P.C. (NPI 1356726087, Bronx, NY); House Call Medical Services Of New York, PLLC (NPI 1851345946, Bronx, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New England College Of Optometry, class of 2015
## Record status
- **NPPES last updated:** August 18, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1164831004) · Data from the CMS NPPES public registry.